Birdwatch Note Rating
2024-02-03 09:58:08 UTC - HELPFUL
Rated by Participant: 5E3D9974322B37C9081862A4473180006E1ABD31714139A1B892AEA928B0D2B2
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Original Note:
The gas mask was not invented by Garret Morgan, in 1914 he patented a safety hood and smoke protector however early versions of the gas mask had been invented as far back as 1871 by John Tyndall The traffic light was invited in 1920 by Willian Pots https://www.thoughtco.com/history-of-gas-masks-1991844 https://www.thehenryford.org/collections-and-research/digital-collections/artifact/227457/
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